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pentium 音标拼音: [p'ɛntiəm]

The Free On-line Dictionary of Computing (foldoc)

{Intel}'s {superscalar} successor to the {486}.
It has two 32-bit 486-type integer {pipelines} with dependency
checking. It can execute a maximum of two instructions per
cycle. It does pipelined {floating-point} and performs
{branch prediction}. It has 16 {kilobytes} of on-chip
{cache}, a 64-bit memory interface, 8 32-bit general-purpose
{registers} and 8 80-bit {floating-point} registers. It is
built from 3.1 million transistors on a 262.4 mm^2 die with
~2.3 million transistors in the core logic. Its {clock rate}
is 66MHz, heat dissipation is 16W, integer performance is 64.5
{SPECint92}, {floating-point} performance 56.9 {SPECfp92}.

It is called "Pentium" because it is the fifth in the 80x86
line. It would have been called the 80586 had a US court not
ruled that you can't trademark a number.

The successors are the {Pentium Pro} and {Pentium II}.

The following Pentium variants all belong to "x86 Family 6",
as reported by "Microsoft Windows" when identifying the CPU:

Model Name
1 Pentium Pro
2 ?
3 Pentium II
4 ?
5, 6 Celeron or Pentium II
7 Pentium III
8 Celeron uPGA2 or Mobile Pentium III

A {floating-point division bug
(ftp://ftp.isi.edu/pub/carlton/pentium/FAQ)} was discovered in
October 1994.

[Internal implementation, "Microprocessor Report" newsletter,
1993-03-29, volume 7, number 4].

[Pentium based computers, PC Magazine, 1994-01-25].

(2003-09-30)

The Jargon File, version 4.4.8 (jargon)

Pentium: n. The name given to Intel's P5 chip, the successor to the 80486. The
name was chosen because of difficulties Intel had in trademarking a
number. It suggests the number five (implying 586) while (according to
Intel) conveying a meaning of strength “like titanium”. Among
hackers, the plural is frequently ‘pentia’. See also
Pentagram Pro.Intel did not stick to this convention when naming its P6 processor
the Pentium Pro; many believe this is due to difficulties in selling a chip
with “hex” or “sex” in its name. Successor chips
have been called Pentium II,
Pentium III, and Pentium IV.

请选择你想看的字典辞典：

单词	字典	翻译
Pentium	查看　Pentium　在百度字典中的解释	百度英翻中〔查看〕
Pentium	查看　Pentium　在Google字典中的解释	Google英翻中〔查看〕
Pentium	查看　Pentium　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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